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Air-gap flux density measurement system for verification of permanent magnet motor FEM model
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
2015 (English)In: IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 445-450, article id 7392140Conference paper, Published paper (Refereed)
Resource type
Text
Abstract [en]

To verify the FEM simulation of the air-gap flux density, it is necessary to measure the flux density distribution as function of the angular machine position. This paper presents a scalable 3-D direct air-gap flux density magnitude measurement system for rotating electrical machines. A combination of eight linear Hall effect flux sensors and a rotary encoder is used to measure the flux density magnitude as function of the angular machine position. The system is designed for permanent magnet motors with an air gap of at least 1 mm, but can also be used for other types of machines. The miniaturized sensor array with the flux sensors is 0.7 mm thick, and measures the distribution of the air-gap flux density magnitude in a range of ±2 T along the rotor axis. The design of the measurement system is described and tested on a prototype of an electronically commutated permanent magnet DC motor. The obtained measurement results are compared with the FEM simulation results of the prototype motor. A good match between the simulated and measured flux density magnitude is shown. The conclusions presented in this study, are used to further optimize the simulation model and the prototype motor.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. p. 445-450, article id 7392140
Keyword [en]
air-gap flux density measurement, FEM, LHEFS, linear Hall effect sensor, Permanent magnet machines, PM machines
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-28495DOI: 10.1109/IECON.2015.7392140ISI: 000382950700089Scopus ID: 2-s2.0-84973160983ISBN: 9781479917624 (print)OAI: oai:DiVA.org:miun-28495DiVA: diva2:949666
Conference
41st Annual Conference of the IEEE Industrial Electronics Society, IECON 2015; Pacifico YokohamaYokohama; Japan; 9 November 2015 through 12 November 2015; Category numberCFP15IEC-ART; Code 119153
Note

Conference Paper

Available from: 2016-07-22 Created: 2016-07-21 Last updated: 2016-12-02Bibliographically approved

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Haller, StefanCheng, PengOelmann, Bengt

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Output format
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